An Open-Source, Distributed, Time Series Database
InfluxDB v0.9.0 is now out. Going forward, the 0.9.x series of releases will not make breaking API changes or breaking changes to the underlying data storage. However, 0.9.0 clustering should be considered an alpha release.
InfluxDB is an open source distributed time series database with no external dependencies. It's useful for recording metrics, events, and performing analytics.
- Built-in HTTP API so you don't have to write any server side code to get up and running.
- Data can be tagged, allowing very flexible querying.
- SQL-like query language.
- Clustering is supported out of the box, so that you can scale horizontally to handle your data.
- Simple to install and manage, and fast to get data in and out.
- It aims to answer queries in real-time. That means every data point is indexed as it comes in and is immediately available in queries that should return in < 100ms.
The following directions apply only to the 0.9.0 release or building from the source on master.
You don't need to build the project to use it - you can use any of our pre-built packages to install InfluxDB. That's the recommended way to get it running. However, if you want to contribute to the core of InfluxDB, you'll need to build. For those adventurous enough, you can follow along on our docs.
service influxdb startif you have installed InfluxDB using an official Debian or RPM package.
systemctl start influxdbif you have installed InfluxDB using an official Debian or RPM package, and are running a distro with
systemd. For example, Ubuntu 15 or later.
$GOPATH/bin/influxdif you have built InfluxDB from source.
Creating your first database
curl -G 'http://localhost:8086/query' --data-urlencode "q=CREATE DATABASE mydb"
Insert some data
curl -XPOST 'http://localhost:8086/write?db=mydb' \ -d 'cpu,host=server01,region=uswest load=42 1434055562000000000' curl -XPOST 'http://localhost:8086/write?db=mydb' \ -d 'cpu,host=server02,region=uswest load=78 1434055562000000000' curl -XPOST 'http://localhost:8086/write?db=mydb' \ -d 'cpu,host=server03,region=useast load=15.4 1434055562000000000'
Query for the data
curl -G http://localhost:8086/query?pretty=true --data-urlencode "db=mydb" \ --data-urlencode "q=SELECT * FROM cpu WHERE host='server01' AND time < now() - 1d"
Analyze the data
curl -G http://localhost:8086/query?pretty=true --data-urlencode "db=mydb" \ --data-urlencode "q=SELECT mean(load) FROM cpu WHERE region='uswest'"
- Understand the design goals and motivations of the project.
- Follow the getting started guide to find out how to install InfluxDB, start writing more data, and issue more queries - in just a few minutes.
- See the HTTP API documentation to start writing a library for your favorite language.
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func ErrDatabaseNotFound ¶
ErrDatabaseNotFound indicates that a database operation failed on the specified database because the specified database does not exist.
func ErrRetentionPolicyNotFound ¶ added in v0.2.0
ErrRetentionPolicyNotFound indicates that the named retention policy could not be found in the database.
func IsClientError ¶
IsClientError indicates whether an error is a known client error.
func NewStatistics ¶ added in v0.2.0
NewStatistics returns an expvar-based map with the given key. Within that map is another map. Within there "name" is the Measurement name, "tags" are the tags, and values are placed at the key "values".
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Package influxql implements a parser for the InfluxDB query language.
|Package influxql implements a parser for the InfluxDB query language.|
Package hh implements a hinted handoff for writes
|Package hh implements a hinted handoff for writes|
Package tsdb implements a durable time series database.
|Package tsdb implements a durable time series database.|
Package WAL implements a write ahead log optimized for write throughput that can be put in front of the database index.
|Package WAL implements a write ahead log optimized for write throughput that can be put in front of the database index.|